The USB connector on the player connects to the USB 2.0 ATA bridge Cypress EZ-USB AT2 for the F and Cypress EZ-USB AT2LP for the X .
The mini-B connector on the cradle can also connect to the AT2LP and to the USB 1.1 device controller of the S3C2440.
The type A connector is connected to the USB 1.1 host controller of S3C2440.

Here is the Google cache version of a Excel document with all the parts: partlist.html